utilized as a modifier before a noun: our successes; our home town.
Belonging to us.
Of, from, or from the nation, area, or language of this presenter.
used before your title to point the individual is in one's family members, or is a tremendously close friend.
Of or regarding us; owned by united states
Pertaining or owned by us: because, our nation; our liberties; our soldiers. Ours is a later possessive form from our, and is used in place of our and a noun, thus standing to your in the same connection as hers to this lady, yours to your, mine to my: because, the land is ours; your land and ours.